217563416

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 496860480

約数和(自身を除く): 279297064

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 173, 238, 346, 476, 692, 952, 1211, 1321, 1384, 2422, 2642, 2941, 4844, 5284, 5882, 9247, 9688, 10568, 11764, 18494, 20587, 22457, 23528, 36988, 41174, 44914, 73976, 82348, 89828, 157199, 164696, 179656, 228533, 314398, 457066, 628796, 914132, 1257592, 1599731, 1828264, 3199462, 3885061, 6398924, 7770122, 12797848, 15540244, 27195427, 31080488, 54390854, 108781708, 217563416]

約数ペア:

[(1, 217563416), (2, 108781708), (4, 54390854), (7, 31080488), (8, 27195427), (14, 15540244), (17, 12797848), (28, 7770122), (34, 6398924), (56, 3885061), (68, 3199462), (119, 1828264), (136, 1599731), (173, 1257592), (238, 914132), (346, 628796), (476, 457066), (692, 314398), (952, 228533), (1211, 179656), (1321, 164696), (1384, 157199), (2422, 89828), (2642, 82348), (2941, 73976), (4844, 44914), (5284, 41174), (5882, 36988), (9247, 23528), (9688, 22457), (10568, 20587), (11764, 18494)]